:root{--bg:#f4f3ef;--paper:#fff;--ink:#16161d;--muted:#4b4b57;--line:#dcd9cf;--indigo:#4338ca;--indigo-d:#3730a3;--indigo-t:#ecebfb;--coral:#f97360;--coral-t:#fdeae5;--serif:ui-serif,"Iowan Old Style","Palatino Linotype",Palatino,Georgia,"Times New Roman",serif;--sans:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;--r:14px;--s1:.5rem;--s2:1rem;--s3:1.5rem;--s4:2.5rem;--s5:4rem}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 1.0625rem/1.68 var(--sans)}
img{max-width:100%;height:auto;display:block}
a{color:var(--indigo);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--indigo-d);text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--coral);outline-offset:2px;border-radius:3px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:10}
.skip:focus{left:1rem;top:1rem;color:#fff}
.wrap{max-width:1160px;margin:0 auto;padding:0 clamp(1rem,3vw,2rem)}
.narrow{max-width:760px}
h1,h2,h3{font-family:var(--serif);font-weight:600;line-height:1.18;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(2rem,4.4vw,3.15rem);margin:.4rem 0 1rem}
h2{font-size:clamp(1.45rem,2.6vw,1.9rem);margin:2.6rem 0 .8rem}
h3{font-size:1.2rem;margin:1.6rem 0 .5rem}
p,ul,ol{margin:0 0 1.05rem}
li{margin:.25rem 0}
small,.small{font-size:.875rem}
/* header */
.site-head{background:var(--paper);border-bottom:1px solid var(--line)}
.head-in{display:flex;align-items:center;justify-content:space-between;gap:1rem;min-height:68px;flex-wrap:wrap;padding-top:.5rem;padding-bottom:.5rem}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;color:var(--ink);font-family:var(--serif);font-size:1.22rem;font-weight:600}
.brand img{width:34px;height:34px;border-radius:9px}
.brand em{font-style:italic;color:var(--indigo)}
.nav ul{display:flex;gap:.2rem;list-style:none;margin:0;padding:0;flex-wrap:wrap}
.nav a{display:block;padding:.4rem .7rem;border-radius:999px;color:var(--ink);text-decoration:none;font-size:.93rem;font-weight:500}
.nav a:hover{background:var(--indigo-t);color:var(--indigo-d)}
.nav a[aria-current=page]{background:var(--ink);color:#fff}
.disclose{background:#eae8e0;border-bottom:1px solid var(--line);font-size:.86rem;color:#33333d}
.disclose p{margin:0;padding:.5rem 0}
/* layout */
main{display:block;padding-bottom:var(--s5)}
.crumbs{font-size:.86rem;color:var(--muted);padding-top:1.4rem}
.crumbs ol{list-style:none;display:flex;flex-wrap:wrap;gap:.35rem;margin:0;padding:0}
.crumbs li{margin:0}
.crumbs li+li::before{content:"/";margin-right:.35rem;color:#9a978d}
.crumbs a{color:var(--muted)}
.kicker{font:600 .78rem/1 var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--indigo)}
.lede{font-size:1.2rem;color:#2c2c36;line-height:1.6}
.meta{font-size:.88rem;color:var(--muted);margin-bottom:1.6rem}
.article{max-width:760px}
.with-aside{display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:3rem;align-items:start}
.aside{position:sticky;top:1.2rem;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem;font-size:.93rem;margin-top:2rem}
.aside h2{font-size:1.05rem;margin:0 0 .6rem;font-family:var(--sans);letter-spacing:0}
.aside ul{padding-left:1.1rem;margin:0}
@media (max-width:960px){.with-aside{grid-template-columns:minmax(0,1fr);gap:0}.aside{position:static}}
/* hero */
.hero{padding:2.6rem 0 1rem}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:2.4rem;align-items:center}
@media (max-width:900px){.hero-grid{grid-template-columns:minmax(0,1fr)}}
.answer{background:var(--paper);border:1px solid var(--line);border-left:6px solid var(--indigo);border-radius:var(--r);padding:1.4rem 1.6rem;box-shadow:0 1px 0 rgba(0,0,0,.03),0 12px 30px -18px rgba(67,56,202,.35)}
.answer .kicker{display:block;margin-bottom:.6rem}
.answer h2{margin:0 0 .6rem;font-size:clamp(1.3rem,2.4vw,1.65rem)}
.answer p:last-child{margin-bottom:0}
.btn{display:inline-block;background:var(--indigo);color:#fff;text-decoration:none;padding:.65rem 1.1rem;border-radius:999px;font-weight:600;font-size:.95rem}
.btn:hover{background:var(--indigo-d);color:#fff}
.btn.ghost{background:transparent;color:var(--indigo);border:1px solid var(--indigo)}
.btn.ghost:hover{background:var(--indigo-t)}
.btns{display:flex;flex-wrap:wrap;gap:.6rem;margin-top:1rem}
/* figures */
figure{margin:1.6rem 0}
figure img{border-radius:var(--r);width:100%}
figcaption{font-size:.82rem;color:var(--muted);margin-top:.5rem;line-height:1.5}
figcaption a{color:var(--muted)}
/* cards */
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:1.1rem;margin:1.2rem 0}
.card{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.25rem 1.3rem;display:flex;flex-direction:column}
.card h3{margin:.4rem 0 .5rem;font-size:1.18rem}
.card h3 a{color:var(--ink);text-decoration:none}
.card h3 a:hover{color:var(--indigo)}
.card p{color:#33333d;font-size:.96rem;margin-bottom:.6rem}
.card .tag{font:600 .72rem/1 var(--sans);letter-spacing:.1em;text-transform:uppercase;color:var(--indigo)}
.card.vs-card .tag{color:#b9402a}
/* ranked list */
.rank{list-style:none;padding:0;margin:1.2rem 0;display:grid;gap:1rem}
.rank li{margin:0;background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem 1.3rem 1.2rem 4.4rem;position:relative}
.rank li::before{counter-increment:r;content:counter(r);position:absolute;left:1.2rem;top:1.15rem;width:2.2rem;height:2.2rem;border-radius:50%;background:var(--ink);color:#fff;font:600 1.05rem/2.2rem var(--serif);text-align:center}
.rank{counter-reset:r}
.rank li.top{border-color:var(--indigo);box-shadow:inset 0 0 0 1px var(--indigo)}
.rank li.top::before{background:var(--indigo)}
.rank h3{margin:0 0 .3rem}
.rank .best{font-size:.85rem;font-weight:600;color:var(--indigo-d);margin-bottom:.4rem}
.rank p{margin-bottom:.4rem}
/* tables */
.tw{overflow-x:auto;margin:1.2rem 0 1.6rem;border:1px solid var(--line);border-radius:var(--r);background:var(--paper)}
table{border-collapse:collapse;width:100%;font-size:.94rem;min-width:560px}
th,td{text-align:left;vertical-align:top;padding:.7rem .85rem;border-bottom:1px solid #ebe8df}
thead th{background:var(--indigo-t);color:#1f1b6b;font-weight:600;font-size:.86rem;letter-spacing:.01em}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody th{font-weight:600}
tr.hl td,tr.hl th{background:#f7f6ff}
caption{caption-side:bottom;text-align:left;font-size:.8rem;color:var(--muted);padding:.6rem .85rem}
/* vs */
.vs{display:grid;grid-template-columns:1fr auto 1fr;gap:0;align-items:stretch;margin:1.6rem 0}
.vs-col{background:var(--paper);border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.4rem}
.vs-col.a{border-top:5px solid var(--indigo)}
.vs-col.b{border-top:5px solid var(--coral)}
.vs-col h2,.vs-col h3{margin:0 0 .5rem;font-size:1.3rem}
.vs-col dl{margin:0;font-size:.95rem}
.vs-col dt{font-weight:600;margin-top:.7rem;font-size:.8rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}
.vs-col dd{margin:.15rem 0 0}
.vs-mid{display:flex;align-items:center;justify-content:center;padding:0 .9rem}
.vs-mid span{width:3rem;height:3rem;border-radius:50%;background:var(--coral);color:var(--ink);font:italic 700 1.1rem/3rem var(--serif);text-align:center}
@media (max-width:760px){.vs{grid-template-columns:1fr}.vs-mid{padding:.7rem 0}}
.verdict{background:var(--ink);color:#f4f3ef;border-radius:var(--r);padding:1.4rem 1.6rem;margin:2rem 0}
.verdict h2{color:#fff;margin-top:0}
.verdict a{color:#c7c3ff}
.verdict p:last-child{margin-bottom:0}
/* notes */
.note{background:var(--coral-t);border:1px solid #f6c3b6;border-radius:var(--r);padding:1rem 1.2rem;font-size:.95rem;margin:1.6rem 0}
.note strong{color:#7a2414}
.note p:last-child{margin-bottom:0}
.check{list-style:none;padding:0}
.check li{padding-left:1.8rem;position:relative}
.check li::before{content:"";position:absolute;left:.15rem;top:.45em;width:.95rem;height:.95rem;border-radius:4px;border:2px solid var(--indigo)}
/* board */
.diagram{max-width:420px}
.board{position:relative;display:grid;grid-template-columns:repeat(8,1fr);grid-template-rows:repeat(8,1fr);aspect-ratio:1;border-radius:10px;overflow:hidden;border:1px solid #c9c5b8;box-shadow:0 10px 26px -18px rgba(22,22,29,.5)}
.sq{min-width:0;min-height:0;position:relative;background:#efeae0}
.sq.d{background:#a9a6cf}
.sq img{width:100%;height:100%}
.sq .cf,.sq .cr{position:absolute;font:600 .62rem/1 var(--sans);color:#3a3870}
.sq .cf{right:3px;bottom:3px}.sq .cr{left:3px;top:3px}
.sq.d .cf,.sq.d .cr{color:#f4f3ef}
.sq.hi{box-shadow:inset 0 0 0 100px rgba(249,115,96,.35)}
.arrows{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.legend{display:flex;flex-wrap:wrap;gap:.4rem 1rem;font-size:.82rem;margin-top:.5rem}
.legend span::before{content:"";display:inline-block;width:.9rem;height:.3rem;border-radius:2px;margin-right:.35rem;vertical-align:middle;background:var(--c)}
.split{display:grid;grid-template-columns:minmax(0,420px) minmax(0,1fr);gap:2rem;align-items:start}
@media (max-width:820px){.split{grid-template-columns:minmax(0,1fr)}}
/* faq */
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:12px;padding:.9rem 1.15rem;margin:.6rem 0}
.faq summary{cursor:pointer;font-weight:600;font-family:var(--serif);font-size:1.08rem}
.faq details p{margin:.6rem 0 0}
/* footer */
.site-foot{background:var(--ink);color:#d9d8e4;padding:2.6rem 0 2rem;font-size:.92rem}
.site-foot a{color:#fff}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:2rem}
@media (max-width:760px){.foot-grid{grid-template-columns:1fr}}
.site-foot h2{color:#fff;font-size:1rem;margin:0 0 .6rem;font-family:var(--sans);letter-spacing:.02em}
.site-foot ul{list-style:none;padding:0;margin:0}
.site-foot .fine{border-top:1px solid #34343f;margin-top:2rem;padding-top:1.1rem;color:#b9b8c6;font-size:.84rem}
.e404{text-align:center;padding:4rem 0 2rem}
.e404 .big{font:600 clamp(4rem,12vw,7rem)/1 var(--serif);color:var(--indigo)}
.crumbs{padding-top:1.4rem;margin-bottom:1.4rem}
@media (max-width:700px){.nav{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;margin:0 -.4rem}.nav ul{flex-wrap:nowrap}.nav a{white-space:nowrap;font-size:.9rem}.head-in{gap:.4rem}}